Home / 3,170.48-4,750.47-1,089.38

Finding the Fourth Proportional to 3,170.48, 4,750.47 and 1,089.38

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Solution

The fourth proportional to 3,170.48, 4,750.47 and 1,089.38 is: 1,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.48 : 4,750.47 = 1,089.38 : x
  2. Step 2: Convert to fraction form
    3,170.48/4,750.47 = 1,089.38/x
  3. Step 3: Cross multiply
    3,170.48x = 4,750.47 × 1,089.38
  4. Step 4: Simplify right side
    3,170.48x = 5,175,078.88
  5. Step 5: Solve for x
    x = 5,175,078.88/3,170.48
  6. Step 6: Final answer
    x = 1,632.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.